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Finding the Fourth Proportional to 8,020.66, 11,068.74 and 4,483.88

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Solution

The fourth proportional to 8,020.66, 11,068.74 and 4,483.88 is: 6,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.66 : 11,068.74 = 4,483.88 : x
  2. Step 2: Convert to fraction form
    8,020.66/11,068.74 = 4,483.88/x
  3. Step 3: Cross multiply
    8,020.66x = 11,068.74 × 4,483.88
  4. Step 4: Simplify right side
    8,020.66x = 49,630,901.91
  5. Step 5: Solve for x
    x = 49,630,901.91/8,020.66
  6. Step 6: Final answer
    x = 6,187.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.